This is the Traxxas TRX 3.3 Engine Piston and Sleeve for the Traxxas TRX 3.3 engines. This fits the 3.3 engines used in the Traxxas Revo, T-Maxx, Jato, and Nitro 4-Tec vehicles. A new pistion and sleeve can restore lost power from wear on your engine.
ABC construction, (A)luminum piston mated to a (B)rass cylinder liner that is (C)hrome plated
Piston and Sleeve and two Wrist Pin Clips for the Traxxas TRX 3.3 engines
Installing in crankcase and attaching connecting rod to piston